From: Keith Packard <keithp@keithp.com>
Date: Sat, 13 Aug 2011 00:05:54 +0000 (-0700)
Subject: drm/i915: Can't do accurate vblank timestamps with UMS
X-Git-Tag: v3.1-rc3~35^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c3613de92ebea302137d21d8938421c3f88d8741;p=pandora-kernel.git

drm/i915: Can't do accurate vblank timestamps with UMS

Disable this feature when KMS is not running by setting the
driver->get_vblank_timestamp function pointer to NULL.

Signed-off-by: Keith Packard <keithp@keithp.com>
Tested-by: Justin P. Mattock <justinmattock@gmail.com>
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